A bag of chips contains 145 calories per serving. Each bag of chips contain 3 servings.

How many calories are in 2 bags of chips?

A. 145 calories

B. 150 calories

C. 435 calories

D. 870 calories

It says that 1 bag contains 3 servings of 145 calories. you need to multiply 145 times 3, which equals to 435. then since it two bags containing 435 calories in 3 servings you add the 435 + 435 which equal 870